140842944 has 84 divisors (see below), whose sum is σ = 440420760. Its totient is φ = 42677760.

The previous prime is 140842907. The next prime is 140842963. The reversal of 140842944 is 449248041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140842899 and 140842908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4779 + ... + 17450.

Almost surely, 2^140842944 is an apocalyptic number.

It is an amenable number.

140842944 is an abundant number, since it is smaller than the sum of its proper divisors (299577816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140842944 is a wasteful number, since it uses less digits than its factorization.

140842944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22258 (or 22245 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 140842944 is about 11867.7269938266. The cubic root of 140842944 is about 520.2894640831.

The spelling of 140842944 in words is "one hundred forty million, eight hundred forty-two thousand, nine hundred forty-four".